LOCATION.--Lat 41°33'04", long 90°27'18" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 NE 1/4 sec.23, T.78 N., R.4 E., Scott County, IA, Hydrologic Unit 07080101, on left bank 200 ft upstream from bridge on Valley Road (old U.S. Highway 67) in Bettendorf, 3.5 mi east of U.S. Highway 6, and 0.7 mi upstream from mouth. (map)

DRAINAGE AREA.--17.8 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD.--Discharge records from October 1977 to September 2008; stage-only records from October 2008 to current year.

GAGE.--Water-stage recorder. Datum of gage is 576.23 ft above National Geodetic Vertical Datum of 1929.

WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1978-1981.

PERIOD OF DAILY RECORD.--
SPECIFIC CONDUCTANCE: Daily instantaneous values collected in conjunction with suspended-sediment samples, March 1978 to December 1981.
WATER TEMPERATURE: Daily instantaneous values collected in conjunction with suspended-sediment samples, March 1978 to December 1981.
SUSPENDED-SEDIMENT CONCENTRATION AND DISCHARGE: April 1978 to December 1981.

U.S. Army Corps of Engineers - Rock Island District